diff --git a/server/modules/routing/avrorouter/avro_schema.c b/server/modules/routing/avrorouter/avro_schema.c
index 45360ae71..76c72bfd2 100644
--- a/server/modules/routing/avrorouter/avro_schema.c
+++ b/server/modules/routing/avrorouter/avro_schema.c
@@ -1273,7 +1273,7 @@ static bool token_is_keyword(const char* tok, int len)
 {
     for (int i = 0; keywords[i]; i++)
     {
-        if (strncasecmp(keywords[i], tok, len) == 0)
+        if (strncasecmp(keywords[i], tok, len) == 0 && strlen(keywords[i]) == len)
         {
             return true;
         }